2-Power 2P-RR03048XL - akku - 4 000 mAh 11,4 V

When your laptop's battery no longer holds a charge through a full work session, this 2-Power 2P-RR03048XL replacement battery restores dependable mobility. Built with a 3-cell lithium-ion configuration, it delivers 4000 mAh capacity at 11.4 V, translating to 45.6 Wh of energy for extended productivity away from the outlet. The black casing integrates seamlessly with most laptop designs, while integrated protection circuits guard against overcharge, over-discharge, overcurrent, and short circuits. CE and RoHS certified, it meets strict safety and environmental standards. Operating reliably between 0°C and 45°C, it withstands storage temperatures from -20°C to 60°C. Expect 300–500 charge cycles, making it a cost-effective way to extend your laptop's lifespan without replacing the whole device.

Key specifications

• Battery technology: Lithium-Ion (Li-Ion)
• Capacity: 4000 mAh
• Voltage: 11.4 V
• Energy: 45.6 Wh
• Number of cells: 3
• Rechargeable: Yes
• Colour: Black
• Safety features: Overcharge, over-discharge, overcurrent, short circuit protection
• Certifications: CE, RoHS
• Operating temperature: 0°C to 45°C
• Storage temperature: -20°C to 60°C
• Cycle life: 300–500 cycles

Why choose it

This battery is engineered to match or exceed original specifications, ensuring consistent performance and safe operation. Its high energy density provides longer runtimes, while the robust protection circuitry safeguards both the battery and your laptop. The 2-Power brand is known for reliable power solutions, and this model is no exception—offering a perfect balance of capacity, durability, and value.

Ideal use cases

• Professionals who need all-day computing without access to power outlets
• Students attending back-to-back classes or studying in libraries
• Frequent travelers who rely on their laptop during long flights or commutes
• Anyone looking to revive an older laptop with a fresh, high-quality battery

Good to know

Before purchasing, verify that this battery is compatible with your specific laptop model by checking the manufacturer's compatibility list or consulting your device's documentation. The battery is designed for internal installation; if unsure, seek professional assistance. Proper care—such as avoiding extreme temperatures and maintaining moderate charge levels—can help maximize its lifespan.